Math Problem Statement
Temukan hasil aritmatika berikut ini pada GF(521).
(a) 500+69
(b) 73-89 (Catatan: -a adalah invers penjumlahan a)
(c) 74 * 453
(d) 51/293 (Catatan: 1/a adalah invers perkalian a)
Solution
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Math Problem Analysis
Mathematical Concepts
Modular Arithmetic
Galois Fields
Finite Fields
Inverses
Formulas
Addition: (a + b) mod p
Subtraction: (a - b) mod p, where -b = p - b
Multiplication: (a * b) mod p
Division: (a / b) mod p = a * b^{-1} mod p
Inverses: a^{-1} mod p = a^{p-2} mod p (Fermat's Little Theorem)
Theorems
Fermat's Little Theorem
Euclidean Algorithm for Modular Inverses
Suitable Grade Level
Undergraduate or Advanced High School
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